#include <stdio.h>
int main()
{
    int n = 0;
    int m = 0;
    double BMI = 0.0;
    while (~scanf("%d %d", &n, &m))
    {
        BMI = n / ((m / 100.0) * (m * 100.0));
        if (BMI < 18.5)
        {
            printf("Underweight\n");
        }
        else if (BMI >= 18.5 && BMI <= 23.9)
        {
            printf("Norma!\n");
        }
        else if (BMI > 23.9 && BMI <= 27.9)
        {
            printf("Overweight\n");
        }
        else
        {
            printf("Obese\n");
        }
    }
    return 0;
}